Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 1 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2023   06:17:19   (  -0.04, -75.18) (  -0.42, -73.44)  197.86                80
 01/13/2023   18:39:15   (   0.05, -75.19) (  -0.75, -78.75)  406.31                80
 01/14/2023   18:23:10   (   0.04, -75.19) (   0.23, -74.22)  110.54                80
 01/16/2023   06:44:57   (  -0.04, -75.20) (   0.94, -79.49)  489.80                80
 01/17/2023   06:26:13   (  -0.03, -75.20) (  -0.11, -74.97)   27.17                80
 01/19/2023   18:26:43   (   0.02, -75.21) (  -0.11, -75.73)   59.80                80
 01/20/2023   18:10:37   (   0.01, -75.22) (   0.89, -71.20)  457.33                80
 01/22/2023   06:32:24   (  -0.00, -75.22) (   0.27, -76.47)  142.27                80
 01/23/2023   06:10:59   (   0.01, -75.23) (  -0.72, -71.94)  375.15                80
 01/24/2023   18:32:55   (   0.02, -75.25) (  -0.41, -77.26)  228.21                80
 01/25/2023   18:16:50   (   0.02, -75.26) (   0.59, -72.72)  289.85                80